61605 is an odd 5-digits composite number following 61604
and preceding 61606 . In scientific notation, it is written as 6.1605 × 10^4.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 31968 positive integers (up to 61605) that are relatively prime to 61605.
61605 has 4 divisors, whose sum is 63308
The reverse of 61605 is 50616
Previous prime number is 1665
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 18
Digital Root 9
Name
sixty-one thousand six hundred five
Scientific notation
6.1605 × 10^4
Engineering notation
6.1605 × 10^3
Prime Factorization
1665 × 37
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61605
Product of the distinct prime numbers
The prime factorization of 61605 is 1665 × 37.
Since it has a total of 2 prime factors.
2 , 6 , 24 , 46 , 280 , 568 , 9693 , 3056 , 90070 , 9815 , 972496 , 154275 , 37340 , 4402631 , 68369819 , 92936640 , 41714481 , 40288942 , 7745909290 , 5414822779
n×2
123210
n×3
184815
n×4
246420
n×5
308025
n÷2
30802.5
n÷3
20535
n÷3
15401.25
n÷5
12321
n2
3795176025
n3
233801819020125
n4
1.4403361060735E+19
n5
8.8731905814657E+23
2 √n
248.20354550248
3 √n
39.494684965566
4 √n
15.754476998697
5 √n
9.0765999079762
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61604
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61605 can be divided by 4 positive divisors.
The sum of these divisors (counting 61605) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000010100101
3
Ternary
10010111200
4
Quaternary
33002211
5
Quinary
3432410
6
Senary
1153113
8
Octal
170245
10
Decimal
61605
12
Duodecimal
2b799
16
Hexadecimal
f0a5
20
Vigesimal
7e05
36
Base36
1bj9
md5
085d122bfbaa0ed8e0ea244c7ce0208c
sha1
a2da883375faa3626189c7f6e2cc399ff7b11bfa
sha256
8a1d6a43692a7635579a393636615f2f0af0fc054528c1bf9b141847653c4b39
sha512
8ddb2912a670a109d4cb45c31f29460d61655ce959558fc7e9141cfa0eabc55df3116067a0dcb5e04a0046e0f7957624287fc31aa59bfa6744a731c19cde5096
ripemd-160
710c09b0b9acd1b5f903027d9021e8bd05e298a8
Diameter
123210
Circumference
387075.6308488
Area
11922897119.22
Volume
9.7934676937274E+14
Surface area
47691588476.88
Circumference
387075.6308488
Perimeter
246420
Area
3795176025
Diagonal
87122.626509995
Surface area
22771056150
Volume
233801819020125
Space diagonal
106702.99000028
Perimeter
184815
Area
1643359424.7418
Altitude
53351.49500014
Surface area
1643359424.7418
Volume
27553808613813
Height
29040.875503332